Finding the Third Proportional to 3,438,005 and 7,158,550

Step by Step Solution

1. Step 1: Write the proportion equation
   3,438,005 : 7,158,550 = 7,158,550 : x
2. Step 2: Convert to fraction form
   3,438,005/7,158,550 = 7,158,550/x
3. Step 3: Cross multiply
   3,438,005x = 7,158,550 × 7,158,550
4. Step 4: Simplify right side
   3,438,005x = 51,244,838,102,500
5. Step 5: Solve for x
   x = 51,244,838,102,500/3,438,005
6. Step 6: Final answer
   x = 14,905,399.53